Overview

overview

7

Static

static

3

e53d39b7d7...63.exe

windows7-x64

7

e53d39b7d7...63.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2024, 23:19

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General

  • Target
    e53d39b7d71c5b3a32de903b5731f4eb8bb4acf6ff5a04def8992919dab64663.exe
  • Size 196KB
  • Sample241030-3a5emstbrf
  • SHA256 e53d39b7d71c5b3a32de903b5731f4eb8bb4acf6ff5a04def8992919dab64663
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
defense_evasiondiscovery

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e53d39b7d71c5b3a32de903b5731f4eb8bb4acf6ff5a04def8992919dab64663.exe
    "C:\Users\Admin\AppData\Local\Temp\e53d39b7d71c5b3a32de903b5731f4eb8bb4acf6ff5a04def8992919dab64663.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E53D39~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:684
  • C:\Windows\Debug\mewhost.exe
    C:\Windows\Debug\mewhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    PID:2364

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        mewhost.exe
        • Path C:\Windows\debug\mewhost.exe
        • Size 196KB
        • SHA256 14d7fc5d2ea17f82ad6939d6fb1db2cb72ac5e1bfbfc2c65348f68859f1cb644
        • MD5 SHA1 SHA512 SSDEEP
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